Lazy LED Flasher – Learner’s Edition
Every once in a while, I have found myself needing a quick circuit to blink a light emitting diode. It is quite easy to build simple microcontroller circuits which performs this task thru a few […]
741 Op-Amp Cookbook for Beginners (v1)
This post is about the far-famed and widely-used 741 classic operational amplifiers! While not attempting to share numerous potential applications, it includes one basic circuit idea that can be tweaked well to applications other than […]
Arduino Magic Eye
Now remember that you can interchange a regular LED for a standard silicon photodiode in most projects. The best way to come up with new applications for light emitting diodes that act as photodiodes is […]
BlinkyDuino – Arduino Fun for your STEM Kids
Arduino is an easy way to introduce kids to a whole new world of electronics and microcontrollers, because it is not only something your kids can play with, but it also helps them learn something […]
Selfie Stick & Little Secrets!
Selfie Stick is a common smartphone accessory nowadays! The word “selfie” first appeared in an online forum in 2002, and in 2013 it was named the Oxford Dictionary Word of the Year, defined as “A […]
Soldering Iron Tip Thermometer – Little Secrets!
Whether you are a soldering artist or not, checking your soldering iron out should be a steady routine. So, it’s always good to have a soldering iron tip thermometer handy. There’re different types of tip […]
FOTEK SSRs – Just Another Quick Guide
This little post is about the quite popular FOTEK Solid State Relay (FOTEK SSR). First note that FOTEK is a well-known brand in China and a FOTEK SSR will last a long time. But sadly, […]
MiniSense 100 Vibration Sensor Primer
Since every machine has its own vibration signature, drifts in a machine’s vibration can indicate potential faults. There’re multiple types of vibration sensors available to keep tabs on a machine’s vibration, and a widely used […]
LED Inverter Lamp – Quick Teardown
Prolonged blackouts have always been an annoyance, but with the help of today’s portable inverter lamps/bulbs, tackling them has become much easier. Below you can see such an affordable LED Inverter Lamp from Osram (India). […]
RC Hobby Servo PWM vs PPM
This quick intro post tells you something about converting radio-control (RC) hobby servo pulse width modulation (PWM) signals to pulse position modulation (PPM) signals using commonly available systems and components. At this time, you can […]